SafeBrowsingResponseImpl.java
/*
* Copyright 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.webkit.internal;
import android.webkit.SafeBrowsingResponse;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.webkit.SafeBrowsingResponseCompat;
import org.chromium.support_lib_boundary.SafeBrowsingResponseBoundaryInterface;
import org.chromium.support_lib_boundary.util.BoundaryInterfaceReflectionUtil;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Proxy;
/**
* Implementation of {@link SafeBrowsingResponseCompat}.
* This class uses either the framework, the WebView APK, or both, to implement
* {@link SafeBrowsingResponseCompat} functionality.
*
*/
public class SafeBrowsingResponseImpl extends SafeBrowsingResponseCompat {
/**
* Frameworks implementation - do not use this directly, instead use
* {@link #getFrameworksImpl()} to ensure this variable has been instantiated correctly.
*/
private SafeBrowsingResponse mFrameworksImpl;
/**
* Support library glue implementation - do not use this directly, instead use
* {@link #getBoundaryInterface()} to ensure this variable has been instantiated correctly.
*/
private SafeBrowsingResponseBoundaryInterface mBoundaryInterface;
public SafeBrowsingResponseImpl(@NonNull InvocationHandler invocationHandler) {
mBoundaryInterface = BoundaryInterfaceReflectionUtil.castToSuppLibClass(
SafeBrowsingResponseBoundaryInterface.class, invocationHandler);
}
public SafeBrowsingResponseImpl(@NonNull SafeBrowsingResponse response) {
mFrameworksImpl = response;
}
@RequiresApi(27)
private SafeBrowsingResponse getFrameworksImpl() {
if (mFrameworksImpl == null) {
mFrameworksImpl =
WebViewGlueCommunicator.getCompatConverter().convertSafeBrowsingResponse(
Proxy.getInvocationHandler(mBoundaryInterface));
}
return mFrameworksImpl;
}
private SafeBrowsingResponseBoundaryInterface getBoundaryInterface() {
if (mBoundaryInterface == null) {
mBoundaryInterface = BoundaryInterfaceReflectionUtil.castToSuppLibClass(
SafeBrowsingResponseBoundaryInterface.class,
WebViewGlueCommunicator.getCompatConverter().convertSafeBrowsingResponse(
mFrameworksImpl));
}
return mBoundaryInterface;
}
@Override
public void showInterstitial(boolean allowReporting) {
final ApiFeature.O_MR1 feature =
WebViewFeatureInternal.SAFE_BROWSING_RESPONSE_SHOW_INTERSTITIAL;
if (feature.isSupportedByFramework()) {
ApiHelperForOMR1.showInterstitial(getFrameworksImpl(), allowReporting);
} else if (feature.isSupportedByWebView()) {
getBoundaryInterface().showInterstitial(allowReporting);
} else {
throw WebViewFeatureInternal.getUnsupportedOperationException();
}
}
@Override
public void proceed(boolean report) {
final ApiFeature.O_MR1 feature = WebViewFeatureInternal.SAFE_BROWSING_RESPONSE_PROCEED;
if (feature.isSupportedByFramework()) {
ApiHelperForOMR1.proceed(getFrameworksImpl(), report);
} else if (feature.isSupportedByWebView()) {
getBoundaryInterface().proceed(report);
} else {
throw WebViewFeatureInternal.getUnsupportedOperationException();
}
}
@Override
public void backToSafety(boolean report) {
final ApiFeature.O_MR1 feature =
WebViewFeatureInternal.SAFE_BROWSING_RESPONSE_BACK_TO_SAFETY;
if (feature.isSupportedByFramework()) {
ApiHelperForOMR1.backToSafety(getFrameworksImpl(), report);
} else if (feature.isSupportedByWebView()) {
getBoundaryInterface().backToSafety(report);
} else {
throw WebViewFeatureInternal.getUnsupportedOperationException();
}
}
}